fixes #1027

Author: wumpz

src/main/java/net/sf/jsqlparser/schema/Table.java

@@ -102,7 +102,12 @@ private void setIndex(int idx, String value) {
         for (int i = 0; i < idx - size + 1; i++) {
             partItems.add(null);
         }
-        partItems.set(idx, value);
+
+        if (value == null && idx == partItems.size() - 1) {
+            partItems.remove(idx);
+        } else {
+            partItems.set(idx, value);
+        }
     }
 
     private String getIndex(int idx) {

src/test/java/net/sf/jsqlparser/schema/TableTest.java

@@ -15,6 +15,7 @@
 import net.sf.jsqlparser.statement.select.Select;
 import net.sf.jsqlparser.util.deparser.ExpressionDeParser;
 import net.sf.jsqlparser.util.deparser.SelectDeParser;
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import org.junit.Test;
 
@@ -62,4 +63,12 @@ public void visit(Table tableName) {
         deparser.visit((PlainSelect) select.getSelectBody());
 
     }
+    
+    @Test
+    public void testTableRemoveNameParts() {
+        Table table = new Table("link", "DICTIONARY");
+        assertThat(table.getFullyQualifiedName()).isEqualTo("link.DICTIONARY");
+        table.setSchemaName(null);
+        assertThat(table.getFullyQualifiedName()).isEqualTo("DICTIONARY");
+    }
 }